1769-OF4CI 模拟输出模块 带有嵌入式四 （4） 个差分

【产品详情】

Allen-Bradley 紧凑型 I/O 模块部件号为 1769-OF4CI 是模拟输出模块，带有嵌入式四 （4） 个差分、独立隔离通道。该模块具有 0-20mA 和 4-20 mA 的输出电流信号，全模拟电流范围分别为 0-21 mA 和 3.2-21 mA。该模块属于 1769 Compact I/O 系统，设计与 MicroLogix 1500 和 CompactLogix 控制器兼容。该模块也可以使用部件号为 1769-ADN 的 DeviceNet 通信适配器或部件号为 1769-AENTR 的以太网通信适配器安装在远程 I/O 机箱中。

模拟输出模块主要用于驱动最终控制元件 （FCE） 或执行器，以实现多个控制点。可用的数据格式包括原始/比例数据、工程单位、PID 缩放和百分比满量程。可配置的通道参数包括输出范围选择、模块抑制、模块描述和插槽分配。该模块为每个安装实例生成一个唯一的数据表，其中通道地址、模块模式位、模块状态和其他运行时参数。

该模块是一个低维护模块。它具有自动校准功能，每次重新启动模块时，模块都会执行自动校准。此外，每个电源循环都会执行自检。一旦模块进入自检，模块就没有响应。它将自动进入活动操作，主动将新值与高低钳位设置进行比较，以防止输出超过定义的限值。

1769-OF4CI 是一款四 （4） 通道模拟电流隔离输出模块，归类于 Allen-Bradley 制造的 CompactLogix 系列。1769-OF4CI 具有 16 位分辨率，支持 Belden 8761 屏蔽紧凑型模拟模块电缆。1769-OF4CI 具有 330 μ V/bit、0 至 20mA 和 5 V DC 165 mA 总线电流。该装置还具有 2.0 瓦的散热功能。它具有 110 毫秒的转换速率和大于 2.9 毫秒的有限电压/电流比。该模块的电阻负载为 0 至 500 欧姆，输出感性负载额定值为 0.1 mH。1769-OF4CI 带有静电放电功能，可能会损坏集成电路或半导体。因此，触摸本机时，请触摸接地物体，以释放静电位。避免触摸总线连接器或连接器引脚，并使用防静电工作站（如果有）。不使用时，1769-OF4CI 应保存在静电屏蔽盒中。

1769-OF4CI 的精度为 +/-0.35%，相对于温度的精度漂移为每摄氏度 +/-0.0058% FS。1769-OF4CI 具有 +/-0.05% 的非线性和 +/-0.005% 的重复性。它没有指定的现场校准，模块误差边界约为 +/-0.55%，额定输出阻抗小于 1 MOhm。该装置还具有开路和短路保护功能，以及输出过压保护。它能够在大约 21 mA 的最大短路电流下保持其全部工作能力。1769-OF4CI 紧凑型电流输出模块的尺寸为 118 x 35 x 87 毫米（4.65 x 1.38 x 3.43 英寸），重量为 270 克（0.60 磅）。

1769-OF4CI 模拟输出模块 带有嵌入式四 （4） 个差分

【英文介绍】

The Allen-Bradley compact I/O module Part number 1769-OF4CI is an analog output module with embedded four (4) differential, independently isolated channels. The module has 0-20mA and 4-20 mA output current signals with full analog current ranges of 0-21 mA and 3.2-21 mA, respectively. The module belongs to the 1769 Compact I/O system and is designed to be compatible with MicroLogix 1500 and CompactLogix controllers. The module can also be installed in a remote I/O chassis using a DeviceNet communication adapter with part number 1769-ADN or an Ethernet communication adapter with part number 1769-AENTR.

The analog output module is primarily used to drive the final control element (FCE) or actuator to achieve multiple control points. Available data formats include raw/scale data, engineering units, PID scaling, and percentage full scale. Configurable channel parameters include output range selection, module suppression, module description, and slot assignment. This module generates a unique data table for each installation instance with channel addresses, module mode bits, module status, and other runtime parameters.

This module is a low maintenance module. It has an automatic calibration function, and every time the module is restarted, the module performs an automatic calibration. In addition, each power cycle performs a self-test. Once the module enters the self-test, the module does not respond. It will automatically enter the active operation, actively comparing the new value with the high-low clamp setting to prevent the output from exceeding the defined limit.

The 1769-OF4CI is a four (4) channel analog current isolation output module in the CompactLogix family manufactured by Allen-Bradley. The 1769-OF4CI has 16-bit resolution and supports the Belden 8761 shielded compact analog module cable. The 1769-OF4CI has 330 μV /bit, 0 to 20mA, and 5 V DC 165 mA bus currents. The unit also has a 2.0 watt cooling function. It has a conversion rate of 110 ms and a finite voltage/current ratio greater than 2.9 ms. The module has a resistive load of 0 to 500 ohms and an output inductive load rating of 0.1 mH. The 1769-OF4CI has an electrostatic discharge function that may damage integrated circuits or semiconductors. Therefore, when touching the device, touch the grounded object to release the static potential. Avoid touching bus connectors or connector pins, and use an anti-static workstation (if available). When not in use, 1769-OF4CI should be stored in an electrostatic shielding box.

1769-OF4CI has an accuracy of +/-0.35% and an accuracy drift relative to temperature of +/-0.0058% FS per degree Celsius. The 1769-OF4CI has a +/-0.05% nonlinearity and +/-0.005% repeatability. It has no specified field calibration, a module error boundary of about +/-0.55%, and a rated output impedance of less than 1 MOhm. The device also has open and short circuit protection, as well as output overvoltage protection. It is able to maintain its full operating capacity at a maximum short-circuit current of approximately 21 mA. The 1769-OF4CI compact current output module measures 118 x 35 x 87 mm (4.65 x 1.38 x 3.43 inches) and weighs 270 g (0.60 lb).

1769-OF4CI 模拟输出模块 带有嵌入式四 （4） 个差分

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